package com.wolf.gulimall.order.config;


import com.rabbitmq.client.Channel;
import com.wolf.gulimall.order.entity.OrderEntity;
import lombok.extern.slf4j.Slf4j;
import org.springframework.amqp.core.*;
import org.springframework.amqp.rabbit.annotation.RabbitListener;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.io.IOException;
import java.util.HashMap;
import java.util.Map;

/**
 * 消息队列配置
 */
@Slf4j
@Configuration
public class MyRabbitMQConfig {




    /**
     * 死信队列
     *
     * @return 死信队列
     */
    @Bean
    public Queue orderDelayQueue() {
        Map<String, Object> hashMap = new HashMap<>();
        hashMap.put("x-dead-letter-exchange", "order-event-exchange");
        hashMap.put("x-dead-letter-routing-key", "order.release.order");
        hashMap.put("x-message-ttl", 60000); // 消息过期时间 1分钟
        log.info("创建队列");
        return new Queue("order.delay.queue", true, false, false, hashMap);
    }

    /**
     * 普通队列
     *
     * @return 普通队列
     */
    @Bean
    public Queue orderReleaseOrderQueue() {
        return new Queue("order.release.order.queue", true, false, false);
    }

    /**
     * 秒杀队列
     *
     * @return 秒杀队列
     */
    @Bean
    public Queue orderSeckillOrderQueue() {
        return new Queue("order.seckill.order.queue", true, false, false);
    }

    /**
     * TopicExchange 主题交换机
     *
     * @return 主题交换机
     */
    @Bean
    public Exchange orderEventExchange() {
        /*
         *   String name, 交换机名称
         *   boolean durable, 持久化
         *   boolean autoDelete, 自动删除
         *   Map<String, Object> arguments 参数
         * */
        return new TopicExchange("order-event-exchange", true, false);
    }

    /**
     * orderDelayQueue 绑定关系
     *
     * @return 绑定关系
     */
    @Bean
    public Binding orderCreateOrderBinding() {
        /*
         * String destination, 目的地（队列名或者交换机名字）
         * DestinationType destinationType, 目的地类型（Queue、Exhcange）
         * String exchange,交换机
         * String routingKey,路由键
         * Map<String, Object> arguments 参数
         * */
        return new Binding("order.delay.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.create.order",
                null);
    }


    /**
     * orderReleaseOrderQueue 绑定关系
     *
     * @return 绑定关系
     */
    @Bean
    public Binding orderReleaseOrderBinding() {
        return new Binding("order.release.order.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.release.order",
                null);
    }


    /**
     * 订单释放直接和库存释放进行绑定
     * @return 绑定关系
     */
    @Bean
    public Binding orderReleaseOtherBinding() {
        return new Binding("stock.release.stock.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.release.other.#",
                null);
    }

    /**
     * 秒杀队列绑定交换机
     * @return 绑定关系
     */
    @Bean
    public Binding orderSeckillOtherBinding() {
        return new Binding("order.seckill.order.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.seckill.order",
                null);
    }
}
